Aion is a memory-first personal assistant for Android. It learns your context over time, helps with email, calendar, reminders, and recall, and works with your own AI provider key.
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Aion's main mode is BYOK: Bring Your Own Key. You connect your own provider key, and Aion uses that provider directly from your device.
Aion stores its memory, profile data, and history on your device. When cloud mode is active, only the requests needed for the features you use are sent to the provider you choose.
There is no required Aion chat backend in the current Android app path.
For users who want a more on-device setup, Aion also includes an optional local model tier. Local mode is narrower and more experimental than BYOK cloud mode, and performance depends on your device.
Aion is in active beta. The core memory system is real and already usable, but some features are still being polished.